%0 Journal Article %A Gerd Herzog %A Roland Lemmert %T Enclosing solutions of second order equations %J Annales Polonici Mathematici %D 2005 %P 91-98 %V 85 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/ap85-1-7/ %R 10.4064/ap85-1-7 %G en %F 10_4064_ap85_1_7